Finding the Third Proportional to 28,726,713 and 61,434,738

Step by Step Solution

1. Step 1: Write the proportion equation
   28,726,713 : 61,434,738 = 61,434,738 : x
2. Step 2: Convert to fraction form
   28,726,713/61,434,738 = 61,434,738/x
3. Step 3: Cross multiply
   28,726,713x = 61,434,738 × 61,434,738
4. Step 4: Simplify right side
   28,726,713x = 3,774,227,033,128,644
5. Step 5: Solve for x
   x = 3,774,227,033,128,644/28,726,713
6. Step 6: Final answer
   x = 131,383,880.68